Floor scrubber



FIG. 1 is a front view for a floor scrubber showing my new design.

FIG. 2 is a rear view.

FIG. 3 is a side view the other side being a mirror image.

FIG. 4 is a top view.

FIG. 5 is a bottom view; and,

FIG. 6 is a top, front and side perspective view. 

The ornamental design for a floor scrubber, as shown and described. 